WSP08072

• File Number: 8027
• Description: Section D General Correspondence - Federal Agencies - US DOI-BOR - Region 7
• State: CO
• Basin: Statewide
• Date: 10/18/1967
• Author: Patrick A Hurley
• Title: Augmenting Upper Colorado River Basin Water Supply By Weather Modification
• Water Supply Pro - Doc Type: Report/Study

Policy Commission, "A Water Resource Policy for the American

~11t
;~"~~~~
I

?:~::~~k~d

0009(lfj

People, " stated:

. j

"The attempt to use science and technical skill to force
water from the clouds is symbolic of the modern determina-
tion to control and use water rather than submit to it, "~.1

The skills required to "force water from the clouds" have increased

to the extent that upon evaluating results of experiments and opera-

tions the National Academy of Sciences-National Research Council

"The available evidence, though not conclusive, indicates

~1

~."",.,.
._"*..;:..:j~
~~f~;1:

I

"~:l<_~-~~-
~~!~~
......,.

reported in early 1966:

that artificial nucleation techniques, under certain meteor-

ologica1conditions, may be used to modify the space or
time distribution of precipitation. Specifically, we find

some evidence for precipitation increases of as much as

10 or even 20 percent over areas as large as 1, 000 square

miles over periods ranging from weeks to years, 1,5/

3

I~

:.~:{':""...,

~f1

(~~~~~.}:
~;,;",:,':i _"'(...;~
;~~~~~?;:S~
"" .-;; '~'- ..
-'::". .>..::;:,}~
;~~':>>::::;

~tJ~j:
~;;:;-<~~
;;;t--.:'-~;'-.:":,:

,.,

In a 1966 special report, the National Science Foundation endorsed
this opinion and found "attractive opportunities" existing for the

4/"A Water Resource Policy for the American People, " Report of the
'President's Water Resources Policy Commission, 1950, p 1.
5/ "Weather and Climate Modification--Problems and Prospects, "
Publication No, 1350, (2 voL), National Academy of Sciences-National
Research Councll, Washington, D. C" 1966,

~3_.t<<.~_a{l,.ft.